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Finding the Fourth Proportional to 373,560.64, 515,571.42 and 220,615.36

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Solution

The fourth proportional to 373,560.64, 515,571.42 and 220,615.36 is: 304,483.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    373,560.64 : 515,571.42 = 220,615.36 : x
  2. Step 2: Convert to fraction form
    373,560.64/515,571.42 = 220,615.36/x
  3. Step 3: Cross multiply
    373,560.64x = 515,571.42 × 220,615.36
  4. Step 4: Simplify right side
    373,560.64x = 113,742,974,429.01
  5. Step 5: Solve for x
    x = 113,742,974,429.01/373,560.64
  6. Step 6: Final answer
    x = 304,483.29

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.